0340 Protector Cube CaseInterior: 457 457 457 mm Exterior: 521 521 489 mm Large 2 person fold down handles Built in, spring loaded pull handle Stainless steel caster wheels included Watertight, crushproof, and dustproof Open cell core with solid wall design strong, light weight Easy open double throw latches Stainless steel hardware and padlock protectors Automatic pressure equalization valve balances interior pressure, keeps water out O ring seal Sensitive equipment needs